/Engine/Source/Editor/UnrealEd/Classes/Editor/EditorEngine.h
Looks for an actor factory spawned from the specified class, for the specifiedUClassfor an actor.
A pointer to the factory to use. NULL if no factories support this class.
[UActorFactory](API\Editor\UnrealEd\ActorFactories\UActorFactory) * FindActorFactoryByClassForActorClass ( const [UClass](API\Runtime\CoreUObject\UObject\UClass) * InFactoryClass, const [UClass](API\Runtime\CoreUObject\UObject\UClass) * InActorClass )